-27.55% is the change from 766 to 555
Calculation steps:
[( 555 - 766 ) ÷ 766] x 100 = -27.55%
Formula
Percentage change = [(555 - 766) / 766] x 100
Subtract the new number by the original number
555 - 766 = -211
-211 ÷ 766 = -0.2754569190600522
-0.2754569190600522 x 100 = -27.55%